Genetic Profiles of Growth and Biochemical Traits in Thai Slow-Growing Chickens
Author Information
Author(s): Boonkum Wuttigrai, Chankitisakul Vibuntita, Kananit Srinuan, Tuntiyasawasdikul Veeraya, Sirisan Vatsana, Kenchaiwong Wootichai
Primary Institution: Khon Kaen University
Hypothesis
This study aims to estimate genetic parameters and correlations between growth characteristics and biochemical traits in Thai native chickens.
Conclusion
The study found moderate heritability for growth traits and low to moderate heritability for biochemical traits, indicating potential for selective breeding.
Supporting Evidence
- Moderate heritability values for growth traits were found, ranging from 0.304 to 0.485.
- Biochemical traits showed lower heritability, suggesting a trade-off between growth and purine content.
- Genetic correlations indicated that higher purine content negatively impacts growth traits.
Takeaway
This research looks at how certain traits in Thai chickens can be improved through breeding, helping them grow better and have healthier meat.
Methodology
The study used a multiple-trait animal model and AI-REML to estimate genetic parameters from data collected on 300 Thai native chickens.
Limitations
The study primarily focused on slow-growing chickens and did not include fast-growing genotypes for comparison.
Participant Demographics
The study involved 300 Thai native chickens (Shee breed), with 30 randomly selected for biochemical analysis.
Statistical Information
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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